Freezing can



May 4 1926. 1,583,112

A; J. BENTLEY FREEZING CAN Filed April 14, 1922 IN V EN TOR Pa tented May 4,

" STATES 'ANSON J. BENTLEY, or Nines, ofHIo.

' FREEZING "CAN.

"-Atpncationmea April 14, '1922'. Sefl'aI N'o 5522747;

To all whom it may concern,

Be it known thatI, ANsoN J. BENTLEY,

a citizen of the United fStates, and

resident of the city of Niles,in the county of Trumbull andstate of Ohio, llaveinvented an Improvement in Freezing Cans,'o'l which the following is a specification. The present lnventlon relates to mprovements in freezing cans used in theman'uf'actitre of ice andparticularlytolthe' typeof can used 'in' what is'known as the raw Water 'cansystem'of icem'aking.

In this system it 11s customary to use freezing cans immersed in annappmpriatefr'eeiing'solutlon, such as brlne,' which 1s errculated around the cans. In order that the 1 impurities commonly present invva'ter avail able for the manufacture of ice'may not be fro'zeninto' the finished cakes, a current of air isintrod'u'ced at or near'thebottom ot the can. The agitation'of the water causedl'by this air current is such that 'impuritiesare:

not frozen into the ice,b'ut,a're collected in the small 'amountof Water which remains unfrozen in a' pocketin the'ice cake at the termination of the freezing period.

" It is an'object of the 'invention'to improve the construction "of this type or" can so that it may be economically n'aanufactured and prove efficient and durable in use.

Some refrigeration engineerspreferto introduce the air into the water Within the can.

'at a"comparatively loW pressure While others "prefer a higher pressure. 'Intheso-called low pressure systems it ls'desrrable to permit the air to escape into" the'waterrat a.

point near' the middle of the bottom oi": the

can While in-the 'so-called high'pressure' system's theair'may be permitted to escape intothc water at a'point in the Walls of "the can slightly aboye-thebot-tom. It isto a can adapted to be used in thelow pressure sys-" 'tem that the invention is particularly di There are several known means offorni ing an ai rconduit' from a; point*atlj'acent the top-of a freezing can to theproper'point for 'the 'cliscl1a1*ge"' of the air into the Water,"

among them being the means disclosed in Patent'No. 1',42*1',936 grantedto ine wherein an air conduit is formedbetween joverl-apping portions ofthesheet metal constituting th'ewalls "of the fcan. ,For the'p urpose of illustrating "and describing the present "intention apreferred embodiment'thereof in cluding the type 'of/air conduit'slioWn "in the above mentioned application h'asl'been 1 vselected and shown in the "aecompai'iying drawings wherein, '7 1 r Figure F1 :is'e' perspective View of a freezcan embodying the invention. 7 -1*1gure2 rsnanplan viewof the bottom OI thecan, Figure 3 is a; sectional view on the' line ofsFrigure 2,"

-tice but preferablythe "can "is". made in :ac-

co-rdanc'e with Letters Patent No; 1,027,802

grante'd to me-ion May 28, 1912. The four "side Walls of the can 'arel'formedfrom two properly shaped sheets ot galvanized steel,

' one;sheet forming the side Wall lend. the V end Wall 2 and the other sheet forming side wall 3 andthe'endwall- '4. A thirdtpiece of sheet metal is irsuitably' out and formed. to constitute the bottom*5-'10fthe*can. A still 'ening rib 6wmay be embossed'in the-side Walls ofthe can. 7

Inorcler to form air conduit 7Tthe sheet 3 is 'agrooved 'or fcoiirugatedqalong its edge where it overlaps the edge of the "sheet 2 when the can is'assembled. 'This forms, in 1 cooperation with the sheet 2. an-airconduit extending from the top of'th tom of the side Wall. h v, '{Ino'r'der that an air conduitthus formed off thesheet metal of the can may-be extended to a point :near :the center of the bottom ot'thec'an," a'suitably formed member 8 15170; 7 vitled with a groove-9xektendirig'ffrom one end thereof to a'p oi'ntadj acent the other'end 'and provided Wl'Gll' a hole 10 -f0r. the escape of, air, may be suitably attached as by soldering "or Welding o'r'both" to the'bottom of: the can and an elbow 11 havingone arm 'jexte'nding- *int-o :ithe; vertical conduit' 7 "an d the other extending into :the hdriZo'rltalconcan to the bot- Y duit Q may' be put inplace as the zbot'tom v of the :can isassembled' ithTthe" sides in "order to'connect the vertical, part of the'cfom 'duit with thehori'zontal part. a

This construction lends itself readily to the accepted practice of assembling cans of this type. For'errample, the two side wall members may be brought together and riveted at adjacent corners as indicated in Figure 1. A suitable number of rivets 12 may be used and a double row of rivets will be used on opposite sides of the conduit 7.

These side or corner seams may then be soldered. The can bottom, having been suitablyformed in accordance with my prior patent referred to, may then have the plate and riveted in place.

It is customary to render the seams of the can fluid tight by soldering. The soldering operation upon the sea-msbetween the bot tom and sides is usually carried on by dipping the can'in solder so thata portion of the can will be immersed, the solder flowing through the riveted jointror being applied from the inside of the can. It will be observed that'the operation of soldering the seam will also solder the elbow 11 tightly in each part of the conduit, that is, the vertical as well as the horizontal part. Furthermore,'the elbow 11 will extend far enough into the two parts 7 and-9 of the conduit so that the solder will not flow over its ends and destroy the connection between conduits 7 and-9 through the elbow' 11.

Figures 5. 6 and 7- show a slightly different embodiment of the invention wherein the conduit in the bottom of the can is formed by pressing'a groove 14 upwardly into the same and aflixing to the can in suitable manner as by soldering, welding or riveting, a plate 15which, cooperating with "the bottom of the can, forms a conduit to the center bot-tom of the can. .A hole 16 is drilled or punched at the end of the groove 14 to permit the escape of air-while a hole 17 'is formed in the groove adjacent the point of attachment to the side wall so that the tubular elbow 11 may be inserted to connect the vertical and horizontal parts of the conduit. The soldering of the seams of the can may be effected in thesame manner as previously described.

'The above described construction provides a superior type of freezing can particularly suitable to the low pressure raw water system of ice making. It will be observed that therev is no exposedtubing to be loosened bythe action ofthe water in freezing or the rough handling to-which these cans are invariably sub ected. The entlre conduit is as strong as the walls of the can and the two parts are securely and economlcally oined together by the tubular elbow 11..

It will be understood that the invention may be variously embodied and modified within the scope of the subjoined claims.

I claim as my invention: V

1. A freezing can for use in the manufacture of ice having an airv passage formed between overlapped wall members in one wall thereof extending. vertically from the top to the bottom of thecan and an air passage extending horizontally in the bottom of said can the two 3ZLSSZL QSlDGH1 omed by a, tubular member extending into each of said passages and having fluid tight connectiontherewith. V

A freezing can for use in the manufac ture ofice having an integral sheet metal air conduit formed between overlapped wall membersextending from the top substantially to the bottom. ofthe can and a tubular extension of said conduit to direct air from said conduittoward the center of the can, said tubular extension having one arm nesting in and forming. a fluid tight joint with I the center of the bottom, and a tubular elbow having its arms soldered respectively into the aforesaid alrcondults.

4. 'A freezing can for use in the 11131111f21C-' ture of ice comprising side wall members and a bottom riveted together having a two-part air conduit, each part being formed, by. spaced sheet metal members, the first part extending along an upright wall of said can between the wall members riveted together along two parallel lines and the second part being disposed in the bottom of said can between the bottom. member and a strip secured thereto along twoparallel lines and means connecting said two parts comprising tubular elbow having one arm connected to each part of said conduit by fluid tight oints, the outer sheet metal membersof'the conduits being'riveted together to form a fluid tight joint between the r bottom and side ofthe can.

5. A freezing can'for use in the manufacture of ice provided with an air conduit 7 extending vertically along a wall of the can from the top substantially -to the bottom thereof formed integrally, with the wall between overlapped wall members and a hori-' lation with another sheet metal member in the bottom of the can and a tubular elbow having one arm soldered into the vertical part of said conduit and the other into the horizontal part to provide a fluid tight connection therebetween.

6. A freezing can for use in the manufacture of iceprovided with an air conduit extending vertically along the wall of the can from the topsubstantially to the bottom thereof formed integrally with. the wall be tween overlapped wall members and a horizontal extension of said air conduit comprising a sheet metal member formed with an embossed rib and laid upon and fastened to the bottom of the can, and means pro vertical and horizontal parts: of said conduit.

7. A freezing can'for use in'the manufacture of ice having a two part air conduit each part being formed by spaced sheet metal members, the first part extending along an upright wall of said can and formed by overlapped wall portions at a joint therebetween and the second part being disposed in the bottom of'said can and means connectingsaid two parts comprising a tubular elbow having one arm connected to each part of said conduit by fluid tight joints. 7

In testimony whereof, I have signed my name to this specification thisllt-h day of April, 1922.

ANSON J. BENTLEY; 

